Home / 14,121,519.52-19,486,137.50-7,925,144.96

Finding the Fourth Proportional to 14,121,519.52, 19,486,137.50 and 7,925,144.96

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Solution

The fourth proportional to 14,121,519.52, 19,486,137.50 and 7,925,144.96 is: 10,935,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,519.52 : 19,486,137.50 = 7,925,144.96 : x
  2. Step 2: Convert to fraction form
    14,121,519.52/19,486,137.50 = 7,925,144.96/x
  3. Step 3: Cross multiply
    14,121,519.52x = 19,486,137.50 × 7,925,144.96
  4. Step 4: Simplify right side
    14,121,519.52x = 154,430,464,397,992
  5. Step 5: Solve for x
    x = 154,430,464,397,992/14,121,519.52
  6. Step 6: Final answer
    x = 10,935,824.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.